Four-point roll bar assembly and tandem front wheel assembly for a street sweeper



FIG. 1 is perspective view of the top and one side showing the four-point roll bar assembly and the tandem front wheel assembly for a street sweeper according to my new design;

FIG. 2 is a perspective view of the top and another side thereof;

FIG. 3 is a perspective view of the top, the front, and said another side thereof;

FIG. 4 is a perspective view of the top, the rear, and said one side thereof;

FIG. 5 is a top view of the four-point roll bar assembly shown separately for ease of illustration;

FIG. 6 is a side elevational view of FIG. 5; and,

FIG. 7 is a front elevational view of the tandem front wheel assembly shown separately for ease of illustration.

The structural elements depicted by means of broken lines in FIGS. 1 through 4 have been shown for environmental purposes only and form no part of the claimed design. 

The ornamental design for a four-point roll bar assembly and tandem front wheel assembly for a street sweeper, as shown and described. 